/***************************************************************************
 *   Copyright (C) 2008 by Marco Gulino   *
 *   marco.gulino@gmail.com   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor Boston, MA 02110-1301, USA            *
 ***************************************************************************/
#include "qdirinterface.h"
#include <QDirIterator>
#include <QDebug>
QDirInterface::QDirInterface(const QString& path) :
    dir(QDir(path))
{
    stop_flag = false;
}

QDirInterface::~QDirInterface()
{
}

QSharedPointer<QFileInfoInterfaceHash> QDirInterface::findAllFiles () {
    resetStopFlag();
    QSharedPointer<QFileInfoInterfaceHash> entries = QSharedPointer<QFileInfoInterfaceHash>(new QFileInfoInterfaceHash());
    QDirIterator iterator(dir.path(), QDir::Files | QDir::NoDotAndDotDot, QDirIterator::Subdirectories );
    while(iterator.hasNext() ) {
        if(stop_flag)
        {
            qDebug() << "Stopped";
            return QSharedPointer<QFileInfoInterfaceHash>(new QFileInfoInterfaceHash());
        }
        iterator.next();
        entries->insert(iterator.fileInfo().size() , QFileInfoInterfaceSharedPointer(new QFileInfoInterface(iterator.fileInfo())) );
        emit newFileIndexed();
    }
    return entries;
}
QSharedPointer<QList<QDirSharedPointer>> QDirInterface::findEmptyDirs() {
    resetStopFlag();
    QSharedPointer<QList<QDirSharedPointer>> emptyDirs = QSharedPointer<QList<QDirSharedPointer>>(new QList<QDirSharedPointer>());
    QDirIterator iterator(dir.path(), QDir::Dirs | QDir::NoDotAndDotDot | QDir::NoSymLinks, QDirIterator::Subdirectories );
    while(iterator.hasNext() ) {

        if(stop_flag)
        {
            return QSharedPointer<QList<QDirSharedPointer>>(new QList<QDirSharedPointer>());
        }

        emit newFileIndexed();
        iterator.next();
        if(QDir(iterator.filePath()).count() <= DOT_AND_DOTDOT_COUNT)
        {
            emptyDirs->append(QDirSharedPointer(new QDir(iterator.filePath())));

        }
    }
    return emptyDirs;
}


void QDirInterface::stop()
{
    stop_flag = true;
}

void QDirInterface::resetStopFlag()
{
    stop_flag = false;
}
